n. Function: noun
Synonyms: MYSTERY , Chinese puzzle, closed book, conundrum, mystification, puzzle, puzzlement, riddle, why
Related Words: crux, knot, puzzler, sticker; bewilderment, perplexity, question, question mark
Idioms: hard nut to crack
n. Function: noun
Synonyms: MYSTERY , Chinese puzzle, closed book, conundrum, mystification, puzzle, puzzlement, riddle, why
Related Words: crux, knot, puzzler, sticker; bewilderment, perplexity, question, question mark
Idioms: hard nut to crack
Merriam Webster. Collegiate thesaurus English dictionary. Английский энциклопедический толковый словарь тезауруса. 2012